com.simiacryptus.util.text

Class NodewalkerCodec

java.lang.Object

com.simiacryptus.util.text.NodewalkerCodec

public class NodewalkerCodec
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	NodewalkerCodec.Decoder
protected class	NodewalkerCodec.Encoder

Field Summary

Fields

Modifier and Type	Field and Description
static char	END_OF_STRING
static Character	ESCAPE
static char	FALLBACK
protected CharTrie	inner
protected PrintStream	verbose

Method Summary

Modifier and Type	Method and Description
String	decodePPM(byte[] data, int context)
Bits	encodePPM(String text, int context)
protected boolean	readBackup(NodewalkerCodec.Decoder decoder)
protected void	readForward(NodewalkerCodec.Decoder decoder)
NodewalkerCodec	setVerbose(PrintStream verbose)
protected Optional<TrieNode>	writeBackup(NodewalkerCodec.Encoder encoder, char token)
protected void	writeForward(NodewalkerCodec.Encoder encoder)
protected void	writeTerminal(NodewalkerCodec.Encoder encoder)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ESCAPE

public static final Character ESCAPE

FALLBACK

public static final char FALLBACK

See Also:

Constant Field Values

END_OF_STRING

public static final char END_OF_STRING

See Also:

Constant Field Values

inner

protected final CharTrie inner

verbose

protected PrintStream verbose

Method Detail

decodePPM

public String decodePPM(byte[] data,
                        int context)

encodePPM

public Bits encodePPM(String text,
                      int context)

setVerbose

public NodewalkerCodec setVerbose(PrintStream verbose)

writeForward

protected void writeForward(NodewalkerCodec.Encoder encoder)
                     throws IOException

Throws:

IOException

readForward

protected void readForward(NodewalkerCodec.Decoder decoder)
                    throws IOException

Throws:

IOException

writeBackup

protected Optional<TrieNode> writeBackup(NodewalkerCodec.Encoder encoder,
                                         char token)
                                  throws IOException

Throws:

IOException

readBackup

protected boolean readBackup(NodewalkerCodec.Decoder decoder)
                      throws IOException

Throws:

IOException

writeTerminal

protected void writeTerminal(NodewalkerCodec.Encoder encoder)
                      throws IOException

Throws:

IOException